US3825174A

US3825174A - Compartmentalized carton

Info

Publication number: US3825174A
Application number: US00265376A
Authority: US
Inventors: C Booth
Original assignee: Continental Can Co Inc
Current assignee: Stone Container Corp
Priority date: 1972-06-22
Filing date: 1972-06-22
Publication date: 1974-07-23
Anticipated expiration: 1991-07-23

Abstract

A carton formed of paper or corrugated board having four side walls folded to form a rectangular section with four bottom flaps attached thereto. Two opposing bottom flaps are provided with integral partition panels for dividing the carton into four compartments thereby increasing the carton''s stacking strength.

Description

I nlted States Patent [1 1 [111 3,825,174 Booth, Jr. July 23, 1974 [541 COMPARTMENTALIZED CARTON 2,747,785 /1956 1 [73] Assignee: Continental Can Company, Inc., Primary Examiner-Wil1iam 1. Price New York, NY. Assistant Exqminer-Stephen Marcus [22] Filed June 22 1972 Attorney, Agent, or' Firm-Diller, Brown, Ramik &

- W ht 211 Appl. No.: 265,376

57 ABSTRACT [52] US. Cl. 229/28 R, 229/ 1 [51] Int. Cl B65d 5/48 A formed of Paper of corrugated. board havlng [58] Field f Search 229/15, 23 R, 23 BC, 29 D, four side walls folded to form a rectangular section 229/39 R, 42; 22O/115 with four bottom flaps attached thereto. Two opposing bottom flaps are provided with integral partition pan- [56] References Cited els for dividing the carton into fotlr compartments UNITED STATES PATENTS thereby increasing the carton s stacking strength. 2,634,042 4/1953 Blatt et al. 229/28 R 2 Claims, 4 Drawing Figures 60 as gas 6 2 6? Q 7 0 71 72 .73 l-1e- T;

Li Q M i E I l l H l J; 3? Z1 a? 2i E 22 i l 401.. 44 4| 42 45 q 5 F 56 I up. 26 g I 1 2 28 I 1 .COMPARTMENTAIJIZED CARTON BACKGROUND OF THE INVENTION This invention relates to cartonszformed of paper or corrugated board. :More particularly, it relates to containers having dividers for compartmentalizing the interior of the container.

THE PRIOR ART Compartmentalized board containers normally comprise a container and dividers formed of separate pieces of container board. Such requires separate manufacture, shipment and assembly of the carton and the divider sections. In an effort to overcome these disadvantages, U.S. Pat. No. 2,747,785 issuing to Raymond E. Fink on May 29, 1956 suggests the use of integral dividers with a carton blank. The patentee discloses a container having four sides with bottomflaps attached thereto. Two of these flaps carry partition panels which are partially severed horizontally along a mid-section. When folded inside of the'box structure, the extended sections above the cut may rotate to rest upon the other section with the upper edges of each of these divider portion acting as a carrying handle. However, the resulting construction does not provide full partitions for each of thecompartments, nor does it seem to substantially enhance the stacking capacity of the container.

SUMMARY OF THE INVENTION In order to provide a more desirable container, the instant invention includes a box blank with four vertical side walls having integral bottom flaps attached thereto. Carried by two of the opposing bottom flaps are two divider panels having substantially the same dimension as the bottom flap to which it is attached. A cut parallel to the bottom edge of the side wall extends between the flap and thedivider for approximately one half of the width of the flap. Additionally the remaining two bottom flaps are out along their center line perpendicular to the'side wall. After folding the four side walls into a box shape, the bottom flaps are folded at a right angle to the side wall portion so as to close the bottom thereof while the divider panels extend into the interior of the carton. Subsequently, each divider panels is folded along a vertical crease line so as to form a right angle and to divide the compartment into four separate compartments. The folded portions of the divider panels extend the full depth of the container and provide both a'self-locking characteristic for the bottom of the box and additional vertical loading capacity.

Accordingly, it is anobject of the instant invention to provide a container made of container board or other relatively rigidmaterialwhich can be formed into a box shape and provided with divider portions which both compartmentalize the interior of the container as well as enhance itsvertical stacking strength. Additionally, it is an object of this invention to provide a carton blank foldable into. the described compartmentalized container. which utilizes a minimum amount of material. Similarly, itisanobject of the instant invention. to provide a compartmentalized container having a selflocking feature without requiring any substantial amount of set-up time for forming the container from the blank.

DESCRIPTION OF THE DRAWING The manner in which the objects of this invention is obtained will be made clear by aconsiderationofthe Afollowing specification and claims when taken "in conjunction with the drawings in which: I

F IG. -1 is aplan view depictingthe *box blank which forms apreferred embodimentof the instant invention;

FIG. 2 is a perspective view of a carton ofthis ernbodiment in a partially assembled condition;

FIG. 3 is a plan view of a carton in its final stage of assembly; and

FIG. 4 is a perspective view "of the instant embodimentin its assembled form.

DETAIL DESCRIPTION The completed carton of the instant invention is depicted in FIG. 4 which illustrates a preferred embodiment of my invention. Thishcontainer has four

side walls

12, 13, 14 and 15, a bottom closure formed of invention of FIG. 4 may be formed is illustrated more particularly in FIG. 1 while FIGS. 2 and 3 describe the preferred mode of assembly to achieve the finish prod- UCt.

As illustrated in FIG. 1, a blank is cut from paper or corrugatedboard so as to form four

side panels

12, 13, 14 and 15 separated by three

vertical scores

16, 17 and 18. lntegrally attached to one side panel 15 is a flap 20 which may be glued or stitched to panel 12 upon folding of the side panels into a rectangular section in a conventional manner. Integrally carried by each of these side walls are

top flaps

60, 61, 62 and 63 which are used to form a top closure for the container. As indicated, these top flaps are separated from one another by

vertical cuts

65, 66 and 67 and are delinated from the side panels by

horizontal crease lines

71,72 and 73, such a top closure being conventional.

At the lower marginal edge of each of the side walls 12 through 15 is a bottom flap denoted by the

numbers

25, 26 27 and 28 which are separated from the side walls by a

crease lines

32, 33, 34' and 35 and separated from each other by vertical cuts 40, 4'1- and42. Two of the opposed bottom flaps (26 and 28-) have

vertical cuts

44 and 45 extending from the lower marginal edge upward to the

crease lines

33 and 35 to divide each flap into two

portions

26a and 26b; 28a and 28b:

The remaining two

flaps

25 and 27 are alsointegrally formed with the side walls 12 and I4; andare delinated therefrom by a crease lines 32 and34' to facilitate folding them at a degree angle to the side walls. Each of these flaps extend the width of the side walls and-has one halfthe width of the formed con- 3 partition panels into two

halves

50a, 50b, 52a and 52b.

The manner in which this box blank is formed into the desired compartmentalized container of FIG. 4 is illustrated in FIGS. 2 and 3. In FIG. 2, the four side walls 12 through 15 have been folded along the crease lines l6, l7 and 18 to form a rectangular section, with the glue flap 20 being attached to the inner edge of the side wall 12 so as to rigidify the four side walls into boxlike structure. As shown in FIG. 2, the box structure has been turned up-side-down to assemble the bottom portion. Here the two

flaps

26 and 28 having the

cuts

44 and 45 therein are folded at 90 degrees to their respective side walls. Subsequently, the

partition panels

50 and 52 are passed through the

cuts

44 and 45. Subsequently, as the divider panels pass all the way into the interior of the box shaped structure, the bottom panels and 27 are bent at a 90 degree angle to the sidewalls along their

crease lines

32 and 34, thus providing the container with a solid bottom portion.

Referring now to FIG. 3 in which the

divider panels

50 and 52 have been extended completely into the interior of the carton, it can be seen that they initially divide same into two elongated compartments. At this point, the

divider portions

50b and 52b are rotated in clockwise direction along the crease lines 57 and 58 respectively with the

cuts

55 and 56 permitting such rotary movement. Upon the completion of this rotation the separate portions of these panels are at right angles with one another and the container is compartmentalized into four compartments. Since two of the

divider panel portions

50b and 52b are folded at 90 degrees to rest upon the

end panels

25 and 27 respectively, they are self locking and will not open unless the rotated

panel portions

50b and 52b are crushed. Further it should be noticed that the

divider panels

50 and 52 extend the entire depth of the container and act as columns to increase the stacking strength of the container.

Although the self-locking feature of the instant invention just described is sufficient for carrying light articles such as empty plastic bottles, the bottom of the container may be closed by conventional adhesive tape when utilized to package heavier articles.

From this discussion, it should be evident that applicant has proferred a compartmentalized container which is simple and economic to manufacture and to assemble. Although as shown, the carton has a boxshape, but it may be of an oblong construction if desired. Additionally, the self-locking feature may be obtained even though the divider panels do not extend thefull depth of the container.

What is claimed is: l. A carton formed of a container board comprising:

a. four side walls folded at right angles to one another to form a hollow box shape;

b. two end panels attached to the bottom portion of two of said side walls opposite one another and folded inwardly at right angles to the side walls to which they are attached; each of said end panels being cut at its center in a direction perpendicular to the side wall;

0. two other end panels attached to the bottom portion of the other two of said side walls and folded inwardly at right angles to the side wall to which they are attached;

d. partition panels attached to said other end panels and passing through said cut end panels into the interior of the carton formed by the four walls, said partition panels being partially severed from said other end panels whereby the severed portion may be folded at degrees to the remaining portion so as to define four cells within said carton, and

e. said partition panels extend the depth of the carton.

2. A container blank adapted to be folded into a boxshape container comprising:

a. a rectangular blank of container board divided four panels by vertical crease lines;

b. four bottom flaps carried by said four panels and separated therefrom by horizontal crease lines;

c. two of said bottom flaps each at an opposite side of one of said four bottom flaps having vertical cuts therein which are perpendicular to said crease lines;

d. said one flap and the remaining of said bottom flaps carrying divider panels having a width equal to that of the flap, but separated therefrom by a horizontal cut for one half the width, said carton being foldable into a box-shape structure with a self locking bottom closure formed of the four bottom flaps and the divider panels,

e. and a pair of crease lines normal to each other in each divider panel intersecting each other at an inboard end of their associated horizontal cuts with one of said pair of crease lines forming a coincident extension of its associated horizontal cut.

into

Claims

1. A carton formed of a container board comprising: a. four side walls folded at right angles to one another to form a hollow box shape; b. two end panels attached to the bottom portion of two of said side walls opposite one another and folded inwardly at right angles to the side walls to which they are attached; each of said end panels being cut at its center in a direction perpendicular to the side wall; c. two other end panels attached to the bottom portion of the other two of said side walls and folded inwardly at right angles to the side wall to which they are attached; d. partition panels attached to said other end panels and passing through said cut end panels into the interior of the carton formed by the four walls, said partition panels being partially severed from said other end panels whereby the severed portion may be folded at 90 degrees to the remaining portion so as to define four cells within said carton, and e. said partition panels extend the depth of the carton.

2. A container blank adapted to be folded into a box-shape container comprising: a. a rectangular blank of container board divided into four panels by vertical crease lines; b. four bottom flaps carried by said four panels and separated therefrom by horizontal crease lines; c. two of said bottom flaps each at an opposite side of one of said four bottom flaps having vertical cuts therein which are perpendicular to said crease lines; d. said one flap and the remaining of said bottom flaps carrying divider panels having a width equal to that of the flap, but separated therefrom by a horizontal cut for one half the width, said carton being foldable into a box-shape structure with a self locking bottom closure formed of the four bottoM flaps and the divider panels, e. and a pair of crease lines normal to each other in each divider panel intersecting each other at an inboard end of their associated horizontal cuts with one of said pair of crease lines forming a coincident extension of its associated horizontal cut.